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Samsung Refrigerator

Samsung Refrigerator PC ER error

Communication error (between control boards)

Needs a technicianFrom brand’s official support

Try a reset once. If it comes back, a trained technician should repair it.

Also shown as: PC CH PCCH

What it means

Two parts of the appliance (between control boards) have stopped talking to each other. A loose wire, low voltage or a faulty board can cause this.

Common causes

  • Loose or damaged connecting / signal wire
  • Low or fluctuating voltage, or a faulty stabilizer
  • Water, insects or rust on terminals
  • Faulty control board

Try this at home first

Tick each step as you go

When to call a technician

If it comes back, a technician should check the connecting cable and boards. Do not open the outdoor unit yourself — it has high voltage.

Safety first

Always switch off at the wall socket or MCB before touching any part. Do not open the outdoor unit, control boards or gas pipes yourself — they carry high voltage and pressure.

Frequently asked questions

What does PC ER mean on a Samsung Refrigerator?

Communication error (between control boards). Two parts of the appliance (between control boards) have stopped talking to each other. A loose wire, low voltage or a faulty board can cause this.

Can I fix Samsung Refrigerator error PC ER myself?

You can try a reset first: Switch off at the MCB for 5–10 minutes, then switch on. If the code returns, call a technician.

Is it safe to keep using the Refrigerator with PC ER?

Avoid repeated restarts; running with this fault can cause more damage.

Other Samsung Refrigerator codes

40E Ice maker fan motor fault 76C Water leak detected 83E Compressor / cooling cycle fault 84C Compressor / cooling cycle fault 85E Power supply voltage problem 88 88 Communication error (between control boards) AP Wi-Fi setup mode

All Samsung Refrigerator error codes

Sources

We write every explanation in our own words from these references.

Last checked: 2026-10-20